/Engine/Plugins/Animation/MLDeformer/MLDeformerFramework/Source/MLDeformerFrameworkEditor/Public/MLDeformerEditorModel.h
Check whether our anim sequence is playing forward or backward. Just like the IsPlayingAnim method, it is specific to the mode we are in.
Returns true when we are playing the animation forwards, and not backward.
virtual bool IsPlayingForward() const